body {
    background-color: #f0f4f8;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: 'Arial', sans-serif;
}
.container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    text-align: center;
}
h1 {
    color: #343a40;
    font-size: 28px;
    margin-bottom: 20px;
}
p {
    color: #6c757d;
    font-size: 18px;
    margin-bottom: 30px;
}
.btn {
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 5px;
    margin: 0 10px;
    transition: all 0.3s ease;
}
.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}
.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}
.btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
}
.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #5a6268;
}